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Old Monday 7th March 2011, 21:00   #1
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Laridae

Martin Garner's Birding Frontiers blog provides a useful list of relevant literature, compiled by Joe Hobbs:
http://birdingfrontiers.com/2011/03/...t-of-resources
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Old Tuesday 8th March 2011, 17:52   #2
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Anybody know any more on lusitanius or cantabrican Gull, exact range, differences, basis as a ssp, thanks
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Old Tuesday 8th March 2011, 20:24   #3
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'Lusitanius'

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Anybody know any more on lusitanius or cantabrican Gull, exact range, differences, basis as a ssp, thanks
Malling Olsen & Larsson 2003: L. m. 'lusitanius' ('cantabricans') Birds from W Iberia (between Berlanga and Basque Country) differ slightly from michahellis. DNA sequences intermediate between michahellis and atlantis... While some are like michahellis, others resemble Herring Gull... [provides extensive detailed descriptions of each age...].

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Old Friday 11th March 2011, 10:50   #4
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I must admit I was surprised that Short-billed Gull L. brachyrhynchus has been split from Mew Gull, but vetula is still kept in Kelp Gull and poiocephalus in Grey-headed. Surely they are far better candidates for elevation?

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Old Friday 11th March 2011, 13:56   #5
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How many people split the Mew Gull though? I am not aware of any major list (IOC, Clements, AOU, BOU) which does so?
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Old Friday 11th March 2011, 14:10   #6
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How many people split the Mew Gull though? I am not aware of any major list (IOC, Clements, AOU, BOU) which does so?
Larus brachyrhynchus is split from L canus by Malling Olsen & Larsson 2003, and... UK400 Club.

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Old Friday 11th March 2011, 14:15   #7
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I thought that Kamchatka Gull is just as different in appearance, dont know genetic differences though
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Old Friday 11th March 2011, 20:11   #8
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I must admit I was surprised that Short-billed Gull L. brachyrhynchus has been split from Mew Gull, but vetula is still kept in Kelp Gull and poiocephalus in Grey-headed. Surely they are far better candidates for elevation? chris
Chris,
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Species and subspecies are but a convenient fiction - Kees van Deemter (2010), "In praise of vagueness". Biology is messy
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Old Saturday 12th March 2011, 09:29   #9
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Chris,
My mother warned me about people who began sentences with 'Surely...'!
MJB
I'm not sure what thing she was warning you about but she was probably right

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Old Wednesday 28th September 2011, 08:41   #10
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Sternkopf 2011

Sternkopf 2011. Molekulargenetische Untersuchung in der Gruppe der Mwen (Laridae) zur Erforschung der Verwandtschaftsbeziehungen und phylogeographischer Differenzierung – Molecular Analysis in sea gulls (Laridae) to reveal genetically relationship and phylogeographic differentiation. Dissertation. [abstract] [pdf] [Vogelwarte 49(3): 175-177.]

Suggests treatment of Larus [canus] brachyrhynchus as a distinct species.
[L brachyrhynchus 'Mew Gull' is recognised as a species by Malling Olsen & Larsson 2003/2004 (Gulls).]

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Old Wednesday 28th September 2011, 09:53   #11
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Quote:
Originally Posted by Richard Klim View Post
Sternkopf 2011. Molekulargenetische Untersuchung in der Gruppe der Mwen (Laridae) zur Erforschung der Verwandtschaftsbeziehungen und phylogeographischer Differenzierung Molecular Analysis in sea gulls (Laridae) to reveal genetically relationship and phylogeographic differentiation. Dissertation. [abstract] [pdf] [Vogelwarte 49(3): 175-177.]

Suggests treatment of Larus [canus] brachyrhynchus as a distinct species.
[L brachyrhynchus 'Mew Gull' is recognised as a species by Malling Olsen & Larsson 2003/2004 (Gulls).]
IIUC, the genus Larus is monophyletic by this dissertation. The results are somewhat different compared with Crochet & Desmarais 2000 (Mol. Biol. Evol. 17(12):17971806.), Crochet et al, 2000 (J. Evol. Biol. 13, 47-57) or Pons et al, 2005 (Molecular Phylogenetics and Evolution 37, 686699).
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Old Friday 25th May 2012, 06:58   #12
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Arctic Larus hybridisation

Sonsthagen, Chesser, Bell & Dove (in press). Hybridization among Arctic white-headed gulls (Larus spp.) obscures the genetic legacy of the Pleistocene. Ecol Evol. [pdf]
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Old Sunday 21st October 2012, 07:28   #13
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TiF

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Originally Posted by Richard Klim View Post
Sternkopf 2011. Molekulargenetische Untersuchung in der Gruppe der Mwen (Laridae) zur Erforschung der Verwandtschaftsbeziehungen und phylogeographischer Differenzierung Molecular Analysis in sea gulls (Laridae) to reveal genetically relationship and phylogeographic differentiation. Dissertation. [abstract] [pdf] [Vogelwarte 49(3): 175-177.]
John Boyd (TiF):
www.jboyd.net/Taxo/changes.html [20 Oct 2012]
www.jboyd.net/Taxo/List8.html#laridae
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Old Thursday 11th April 2013, 13:26   #14
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Kelp Gull

Jiguet, Capainolo & Tennyson 2012. Taxonomy of the Kelp Gull Larus dominicanus Lichtenstein revisited with sex-separated analyses of biometrics and wing tip patterns. Zool Stud 51(6): 881892. [pdf]

van den Berg & Haas 2013. WP reports. Dutch Birding 35(2): 129138.
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In African Birdlife 1 (2): 10-11, 2013, the first genetic data on relationships within Kelp Gull L dominicanus sensu lato populations were reported; four out of 20 Cape Gulls L d vetula from Namibia, of which mitochondrial genes were sequenced by Viviane Sternkopf, grouped with South American samples from Argentina and Chile (rather than from samples from New Zealand, Kerguelen and Antarctica), suggesting that Cape Gull is still sufficiently linked to other Kelp Gull populations not to warrant recognition as a distinct species. It was also found that birds from New Zealand grouped with those from Antarctica and Kerguelen, so the recognition of six Kelp Gull subspecies has now been suggested (also melisandae from Madagascar, judithae from Indian Ocean, austrinus from Antarctica and antipodus from New Zealand) (Zoological Studies 51: 881-892, 2012).
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Old Thursday 11th April 2013, 22:14   #15
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Neotypification of Larus cachinnans Pallas, 1811 (Aves: Laridae)
JIŘ MLKOVSK & VLADIMIR M. LOSKOT

In: Zootaxa 3637 (4): 478–483 (12 Apr. 2013)

[Abstract]
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Old Sunday 14th April 2013, 17:34   #16
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Mlkovsk & Loskot 2013

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Neotypification of Larus cachinnans Pallas, 1811 (Aves: Laridae)
JIŘ MLKOVSK & VLADIMIR M. LOSKOT
In: Zootaxa 3637 (4): 478–483 (12 Apr. 2013)
[Abstract]
Can someone with access please disclose the implications of Jiř Mlkovsk's latest assault on nomenclatural stability?

PS. Copy of paper gratefully received. Apologies for my misguided remark: Mlkovsk & Loskot designate a specimen collected in 1894 from near the northern Caspian region as the neotype for Larus cachinnans, fixing the well-known name in the current sense. Type locality: Kazakhstan, Aktyubinskaya Oblast', about 16 km SE of the settlement of Rodniki, Lake Kara-kul'; 49 04' N, 58 33' E, 290 m a.s.l.

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Old Saturday 27th April 2013, 19:20   #17
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YANG Chao, WANG Qing-Xiong, HUANG Yuan & XIAO Hong, 2013. PHYLOGENETIC RELATIONSHIPS AMONG SOME GROUPS OF GULLS BASED ON COMPLETE SEQUENCES OF THE MITOCHONDRIAL CYTB GENE. Acta Zootaxonomica Sinica, 38(2): 225-238.
Abstract and PDF here
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Old Saturday 27th April 2013, 21:09   #18
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Yang et al 2013

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YANG Chao, WANG Qing-Xiong, HUANG Yuan & XIAO Hong, 2013. PHYLOGENETIC RELATIONSHIPS AMONG SOME GROUPS OF GULLS BASED ON COMPLETE SEQUENCES OF THE MITOCHONDRIAL CYTB GENE. Acta Zootaxonomica Sinica, 38(2): 225-238.
Abstract and PDF here
Indicates that Grey-headed Gull Larus (Chroicocephalus) cirrocephalus should instead be assigned to Leucophaeus (contra AOU, IOC, Clements, DBA).
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Old Monday 29th April 2013, 15:04   #19
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Indicates that Grey-headed Gull Larus (Chroicocephalus) cirrocephalus should instead be assigned to Leucophaeus (contra AOU, IOC, Clements, DBA).
That paper is fairly useless and redundant. Their goal is to place four species in the Larid/Sternid tree, but those four species (relictus, brunnicephalus, hirundo, and nilotica) were already sampled in previous phylogenies with more sequence data, nearly complete species sampling, and better methods in Pons et al. 2005 (http://www.sciencedirect.com/science...55790305001776) and Bridge et al. 2005 (http://www.sciencedirect.com/science...55790304003987). I wouldn't make any taxonomic changes based on Yang et al. 2013.
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Old Tuesday 30th April 2013, 01:06   #20
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That paper is fairly useless and redundant. Their goal is to place four species in the Larid/Sternid tree, but those four species (relictus, brunnicephalus, hirundo, and nilotica) were already sampled in previous phylogenies with more sequence data, nearly complete species sampling, and better methods in Pons et al. 2005
Yeah I am noticing a lot of redundancy in recent bird phylogenetic studies out of China, where we just get duplicate studies with no really novel sampling or design in them.
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Old Tuesday 30th April 2013, 20:19   #21
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Quote:
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That paper is fairly useless and redundant. Their goal is to place four species in the Larid/Sternid tree, but those four species (relictus, brunnicephalus, hirundo, and nilotica) were already sampled in previous phylogenies with more sequence data, nearly complete species sampling, and better methods in Pons et al. 2005 (http://www.sciencedirect.com/science...55790305001776) and Bridge et al. 2005 (http://www.sciencedirect.com/science...55790304003987). I wouldn't make any taxonomic changes based on Yang et al. 2013.
Ii is interesting that (by Given, Mills & Baker, 2005) Chroicocephalus (Larus) cirrocephalus is not monophyletic with respect to Chroicocephalus (Larus) hartlaubii - Chroicocephalus cirrocephalus cirrocephalus is sister to Ch. cirrocephalus poiocephalus / Ch. hartlaubii clade.

Also by Chu, 1998 Fig 2. and Fig. 3 Larus cirrocephalus Africa and Larus cirrocephalus S. America are not the closest relatives.
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Old Sunday 15th September 2013, 07:50   #22
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Dantas, Gisele Pires de Mendona; Meyer, Diogo; Godinho, Raquel; Ferrand, Nuno; Morgante, Joo Stenghel. Genetic variability in mitochondrial and nuclear genes of Larus dominicanus (Charadriiformes, Laridae) from the Brazilian coast. Genet. Mol. Biol. [online]. 2012, vol.35, n.4, pp. 847-885.

Abstract

PDF
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Old Wednesday 23rd October 2013, 18:59   #23
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J-M Pons, S Sonsthagen, C Dove and P-A Crochet. Extensive mitochondrial introgression in North American Great Black-backed Gulls (Larus marinus) from the American Herring Gull (Larus smithsonianus) with little nuclear DNA impact. Heredity , (9 October 2013) | doi:10.1038/hdy.2013.98

Abstract
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Old Wednesday 30th October 2013, 14:00   #24
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Herring x Caspian Gull hybridisation

Neubauer & Zagalska-Neubauer 2013. Intermediate migratory programs between two species of large gull. EOU2013UK. (abstract on p170)
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Old Monday 24th March 2014, 14:00   #25
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Glaucous-winged x Western Gull hybridisation

Megna, Moncrieff, Hayward & Henson (in press). Equal reproductive success of phenotypes in the Larus glaucescens–occidentalis complex. J Avian Biol. [abstract]

("Puget Sound / Olympic Gull")

Hayward & Verbeek 2008 (BNA Online):
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A marked and apparently expanding Glaucous-winged Gull x Western Gull hybrid zone occurs from the Strait of Juan de Fuca, WA, south to Coos Bay, OR, in which ranges of the two species overlap (Bell 1992, 1996, 1997; Good et al. 2000; Good 2002). Existence of this zone and genetic analyses indicate a close genetic affinity between these two species. Hybridization with Western Gulls on the Olympic Peninsula was noted as early as 1900 (Dawson 1909), in sw. British Columbia in 1943 (Pearse 1946), and as far south as Yaquina Head, OR, in 1969 (Scott 1971). On Destruction Is., WA > 50% of breeders known to be phenotypic intergrades, judging by iris and eye ring color, mantle shade, and wing tip pattern (Hoffman et al. 1978). Bell (1996) found considerable overlap in most morphometric characters of the two species. Colorometric characters, however, clearly separate pure and hybrid morphotypes. Mantle and wing-tip melanism is one of the best discriminators of hybrids. Hybrids are genetically closer to Glaucous-winged than to Western Gulls. The hybrid zone, which forms a partial barrier to gene flow, has expanded since the 1970s, although its midpoint near Grays Harbor, WA, has remained stable. Bounded hybrid superiority (=hybrids selectively favored because they are better adapted to ecological conditions in hybrid zone than either parental form) has been demonstrated (Bell 1997; Good et al. 2000).

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